Acsin
反正弦函数
🗣️ 情景例句
Well, that sounds very exciting,
嗯 听起来很令人兴奋。
My brother used to speak French to me all the time.
我的兄弟过去总是对我说法语。
If I were you, I would not be bothered by English.
如果我是你，就不会为英语烦恼了。